Sick Calls
Medical Surveillance Management
Talk To An Expert
The Executive Briefing
ZHH's twice-weekly industry newsletter, rounding up all the news you need on public health, industry trends, outbreaks, and more.
February 6, 2026
Tortilla drama in CA 🌯
Why fortifying corn masa led to unexpected pushback, plus measles updates and how norovirus already postponed an Olympic hockey game
Read More
January 26, 2024
CA & OR COVID rules explained
CDC warning docs on measles, the cost of long COVID & a bad flu season
Read More
January 23, 2024
Why are there so many measles cases right now?
Over 200 people have norovirus linked to contaminated oysters from Mexico, plus JN.1 now makes up over 85% of cases in the US
Read More
Previous
Next
Resource Center
Helpful posts and information from the ZHHÂ Team
October 28, 2021
ZHH App Update Required
Read More
September 22, 2021
Preparing Your Business for the New COVID Testing and Tracking Guidelines
Read More
August 23, 2021
FDA Gives Full Approval to Pfizer Vaccine
Read More
Previous
Next